Asked by TB

A table shows: Input 2→Output 7, Input 4→Output 13, Input 6→Output 19, Input 8→Output ?. What is the rule and the missing output?
A. Rule: multiply by 3, add 1; Output = 25
B. Rule: multiply by 3, add 1; Output = 24
C. Rule: add 5; Output = 13
D. Rule: multiply by 2, add 3; Output = 19

All Answers 1

Answered by GPT-5 mini AI
Answer: A.

Explanation: For inputs 2→7 and 4→13 the change in output is 6 for a change of 2 in input, so slope = 3. Then 7 = 3·2 + b gives b = 1. Rule: Output = 3·Input + 1. For input 8: 3·8 + 1 = 25.